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Dr. Peter Ira Margolis, MD

Accepting New Patients

(Dr. Peter Margolis, MD)

(9 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

Rosalind Franklin University of Medicine and Science, Chicago Medical School (1978)

333 South Moorpark Road
Thousand Oaks, CA 91361

(805) 379-4545

Dr. Peter Ira Margolis, MD is an internist in Thousand Oaks, CA specializing in internal medicine (adult medicine). He graduated from Rosalind Franklin University of Medicine and Science, Chicago Medical School in 1978 and has 48 years of experience.

Office Locations

333 South Moorpark Road
Thousand Oaks, CA 91361

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Noteworthy Medicare Patient Procedures Performed by Dr. Peter Ira Margolis, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 10%

By Affordability:

removal of skin lesion

skin lesion destruction

skin procedures

In 2023, Dr. Peter Ira Margolis, MD had a list price for removal of skin lesion (growth or mark), skin lesion destruction (e.g. laser surgery), and skin procedures that was lower than the list prices billed to Medicare by 90% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

blood draw

phlebotomy for lab tests

In 2012, Dr. Peter Ira Margolis, MD performed more blood draw, and phlebotomy for lab tests procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Peter Ira Margolis, MD treated as an internist in Thousand Oaks, CA during 2012 were blood draw, hospital care, inpatient care and preventive care.

Volume of procedures performed by Dr. Peter Ira Margolis, MD for Medicare patients.

blood draw	1370
doctor visit	2323
ear procedures	70
hospital care	338
inpatient care	338
preventive care	202
removal of lesion (e.g. growth)	100
skin procedures	100
vaccines	202

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Peter Ira Margolis, MD treated as an internist in Thousand Oaks, CA during 2013 were blood draw, hospital care, inpatient care and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Peter Ira Margolis, MD for Medicare patients.

blood draw	1479
doctor visit	2185
ear procedures	60
hospital care	289
inpatient care	289
preventive care	23
removal of lesion (e.g. growth)	122
skin procedures	122
vaccines	23

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Ira Margolis, MD.

**Gender**
Male	405
Female	420

**Ethnicity**
Non-Hispanic White	780
Black	0
Hispanic	18
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	278
From 75 to 84	343
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Peter Ira Margolis, MD in 2013

Hypertension	75
High Cholesterol	69
Stroke	6
Ischemic Heart Disease	37
Depression	7
Chronic Kidney Disease	12
Asthma	4
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	6
Diabetes	20
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Peter Ira Margolis, MD treated as an internist in Thousand Oaks, CA during 2014 were blood draw, removal of lesion (e.g. growth), skin procedures and preventive care.

Volume of procedures performed by Dr. Peter Ira Margolis, MD for Medicare patients.

blood draw	1394
doctor visit	1978
ear procedures	58
hospital care	72
inpatient care	72
preventive care	85
removal of lesion (e.g. growth)	273
skin procedures	273
vaccines	85

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Ira Margolis, MD.

**Gender**
Male	387
Female	403

**Ethnicity**
Non-Hispanic White	742
Black	0
Hispanic	19
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	258
From 75 to 84	329
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Peter Ira Margolis, MD in 2014

Hypertension	75
High Cholesterol	73
Stroke	5
Ischemic Heart Disease	36
Depression	9
Chronic Kidney Disease	12
Asthma	4
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	6
Diabetes	19
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Peter Ira Margolis, MD treated as an internist in Thousand Oaks, CA during 2015 were blood draw, removal of lesion (e.g. growth), skin procedures and preventive care.

Volume of procedures performed by Dr. Peter Ira Margolis, MD for Medicare patients.

blood draw	1461
doctor visit	1950
ear procedures	53
preventive care	114
removal of lesion (e.g. growth)	365
skin procedures	365
vaccines	114

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Ira Margolis, MD.

**Gender**
Male	760
Female	770

**Ethnicity**
Non-Hispanic White	1442
Black	0
Hispanic	30
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	512
From 75 to 84	622
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Peter Ira Margolis, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	34
Depression	8
Chronic Kidney Disease	13
Asthma	6
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	6
Diabetes	21
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Peter Ira Margolis, MD treated as an internist in Thousand Oaks, CA during 2016 were blood draw, removal of lesion (e.g. growth), skin procedures and preventive care.

Volume of procedures performed by Dr. Peter Ira Margolis, MD for Medicare patients.

blood draw	1420
doctor visit	2019
ear procedures	59
hospital care	31
inpatient care	31
preventive care	106
removal of lesion (e.g. growth)	388
skin procedures	388
vaccines	106

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Ira Margolis, MD.

**Gender**
Male	385
Female	383

**Ethnicity**
Non-Hispanic White	716
Black	0
Hispanic	20
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	257
From 75 to 84	295
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Peter Ira Margolis, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	3
Ischemic Heart Disease	36
Depression	10
Chronic Kidney Disease	16
Asthma	10
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	8
Diabetes	20
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Peter Ira Margolis, MD treated as an internist in Thousand Oaks, CA during 2017 were blood draw, removal of lesion (e.g. growth), skin procedures and ear procedures.

Volume of procedures performed by Dr. Peter Ira Margolis, MD for Medicare patients.

blood draw	1438
doctor visit	1953
ear procedures	51
hospital care	46
inpatient care	46
preventive care	28
removal of lesion (e.g. growth)	427
skin procedures	427
vaccines	16

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Ira Margolis, MD.

**Gender**
Male	371
Female	368

**Ethnicity**
Non-Hispanic White	687
Black	0
Hispanic	19
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	245
From 75 to 84	274
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Peter Ira Margolis, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	33
Depression	9
Chronic Kidney Disease	17
Asthma	3
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	6
Diabetes	19
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Peter Ira Margolis, MD treated as an internist in Thousand Oaks, CA during 2018 were blood draw, removal of lesion (e.g. growth), skin procedures and ear procedures.

Volume of procedures performed by Dr. Peter Ira Margolis, MD for Medicare patients.

blood draw	1317
doctor visit	2257
ear procedures	70
preventive care	24
removal of lesion (e.g. growth)	269
skin procedures	269
vaccines	24

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Ira Margolis, MD.

**Gender**
Male	354
Female	337

**Ethnicity**
Non-Hispanic White	642
Black	0
Hispanic	15
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	218
From 75 to 84	260
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Peter Ira Margolis, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	32
Depression	12
Chronic Kidney Disease	19
Asthma	4
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	7
Diabetes	19
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Peter Ira Margolis, MD treated as an internist in Thousand Oaks, CA during 2019 were blood draw, removal of lesion (e.g. growth), skin procedures and preventive care.

Volume of procedures performed by Dr. Peter Ira Margolis, MD for Medicare patients.

blood draw	451
doctor visit	1026
ear procedures	24
preventive care	61
removal of lesion (e.g. growth)	85
skin procedures	85
vaccines	61

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Ira Margolis, MD.

**Gender**
Male	135
Female	143

**Ethnicity**
Non-Hispanic White	255
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	108
85 and over	90
Less than 65	0

Conditions of Medicare patients treated by Dr. Peter Ira Margolis, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	31
Depression	12
Chronic Kidney Disease	20
Asthma	4
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	10
Diabetes	20
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Peter Ira Margolis, MD treated as an internist in Thousand Oaks, CA during 2020 were blood draw, removal of lesion (e.g. growth), skin procedures and preventive care.

Volume of procedures performed by Dr. Peter Ira Margolis, MD for Medicare patients.

blood draw	354
doctor visit	704
ear procedures	16
preventive care	28
removal of lesion (e.g. growth)	54
skin procedures	54
vaccines	28

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Ira Margolis, MD.

**Gender**
Male	118
Female	118

**Ethnicity**
Non-Hispanic White	212
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	69
From 75 to 84	88
85 and over	79
Less than 65	0

Conditions of Medicare patients treated by Dr. Peter Ira Margolis, MD in 2020

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	32
Depression	13
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	19
Dementia	14
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Peter Ira Margolis, MD treated as an internist in Thousand Oaks, CA during 2021 were blood draw, preventive care, vaccines and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Peter Ira Margolis, MD for Medicare patients.

blood draw	347
doctor visit	659
preventive care	29
removal of lesion (e.g. growth)	14
skin procedures	14
vaccines	29

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Ira Margolis, MD.

**Gender**
Male	106
Female	103

**Ethnicity**
Non-Hispanic White	189
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	85
85 and over	66
Less than 65	0

Conditions of Medicare patients treated by Dr. Peter Ira Margolis, MD in 2021

Hypertension	75
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	35
Depression	9
Chronic Kidney Disease	16
Asthma	7
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	8
Diabetes	18
Dementia	19
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Peter Ira Margolis, MD treated as an internist in Thousand Oaks, CA during 2022 were blood draw, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Peter Ira Margolis, MD for Medicare patients.

blood draw	349
doctor visit	728
removal of lesion (e.g. growth)	17
skin procedures	17

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Peter Ira Margolis, MD.

**Gender**
Male	104
Female	112

**Ethnicity**
Non-Hispanic White	197
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	88
85 and over	66
Less than 65	0

Conditions of Medicare patients treated by Dr. Peter Ira Margolis, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	24
Depression	13
Chronic Kidney Disease	13
Asthma	9
Osteoperosis	17
Atrial Fibrilation	24
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	20
Dementia	12
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Peter Ira Margolis, MD for Medicare patients.

The highest averages for the top procedures that Dr. Peter Ira Margolis, MD treated as an internist in Thousand Oaks, CA were blood draw, removal of lesion (e.g. growth), skin procedures and hospital care.

blood draw	1034
doctor visit	1616
ear procedures	51
hospital care	155
inpatient care	155
preventive care	70
removal of lesion (e.g. growth)	192
skin procedures	192
vaccines	68

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Peter Ira Margolis, MD.

**Gender**
Male	284
Female	287

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	2
Non-Hispanic White	532
Native American / Alaskan Native	0
Hispanic	11
Other	8

**Age**
75 to 84	226
85 and over	27
Less than 65	0
65 to 74	167

Average of Total of Conditions of Medicare patients treated by Dr. Peter Ira Margolis, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Peter Ira Margolis, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	64
Stroke	3
Ischemic Heart Disease	30
Depression	9
Chronic Kidney Disease	14
Asthma	4
Osteoporosis	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	6
Diabetes	17
Atrial Fibrillation	11
Dementia	11
Cancer	11

Education & Training

Dr. Peter Ira Margolis, MD graduated from Rosalind Franklin University of Medicine and Science, Chicago Medical School in 1978. He completed residency at Los Angeles County+USC Medical Center. He is certified by the American Board of Internal Medicine National Board of Medical Examiners and has a state license in California.

Medical School: Rosalind Franklin University of Medicine and Science, Chicago Medical School (1978)

Residency: Los Angeles County+USC Medical Center (1981)

Board Certification: American Board of Internal Medicine National Board of Medical Examiners

Licensed In: California

Ratings & Reviews

Dr. Peter Ira Margolis, MD has a high overall rating with an average of 3.67 out of 5 stars based on 9 ratings. We collect ratings and reviews of Dr. Peter Ira Margolis, MD from all over the web to help you find the right in Thousand Oaks, CA.

3.67

Overall Rating

(9 Ratings)

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General Payments

These charts describe general payments received by Dr. Peter Ira Margolis, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Ultragenyx Pharmaceutical Inc.	$58,922 $58,922
Astellas Pharma US Inc	$55 $55
Pfizer Inc.	$27 XELJANZ $27

**Types of Payments**
Consulting Fee	$58,922
Education	$55
Food and Beverage	$27

Biography

Dr. Peter Margolis is a graduate of Rosalind Franklin University of Medicine and Science, Chicago Medical School. He trained at Los Angeles County+USC Medical Center for his residency. Patient ratings for Dr. Margolis average 3.5 stars (out of 5). Dr. Margolis has an open panel in Thousand Oaks, CA according to Yext.